The Gasket, cataloged under National Stock Number 5330-01-424-0621, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-424-0621 |
| Primary Part Number | 83309-37 3IN ITEM 19 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.025 INCHES NOMINAL IN |
| Style Designator | OVAL |
| Bearing Surface Width | 0.438 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | METAL |
| Aperture Width | 3.625 INCHES NOMINAL IN |
| Aperture Length | 5.250 INCHES NOMINAL IN |
| Material | IRON MALLEABLE OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8690-000-517G | Velan Valve Corp. (USA) |
| 83309-37 3IN ITEM 19 PRIMARY | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| 8690-000-090 | 5/9 Secondary reference Velan Valve Corp. |
| 83309-37 3IN ITEM 9 | 5/9 Secondary reference Velan Valve Corp. |
NSN 5330-01-424-0621 is a Gasket, manufactured by Velan Valve Corp., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-424-0621 has 2 manufacturer part numbers on file: 8690-000-517G (Velan Valve Corp.), 83309-37 3IN ITEM 19 (Velan Valve Corp.).
Key specifications for 83309-37 3IN ITEM 19: Cross-Sectional Thickness: 0.025 INCHES NOMINAL IN; Style Designator: OVAL; Bearing Surface Width: 0.438 INCHES NOMINAL IN; Cross-Sectional Shape Style: METAL. 7 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.